Question

The sum of the roots of the quadratic equation x^2 + 1=0 is equal to ________
(A) 2
(B) -1
(C) 1
(D) 0​

Answer 1

(D) 0

Step-by-step explanation:

it full quadratic form can be written as

x^2+0×x+1=0

so we know sum of roots= -b/a

so -b/a= -0/1= 0 Answer.